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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

02/02/2023
02:00 am

Equipment Details:

ZWO ASI533MC Pro and Optolong L-Pro filter on a Celestron Omni XLT150 reflector/SkyWatcher EQ6R Pro mount.

Post-processing Details:

Subs (24 8min) plus calibration frames were stacked with DeepSkyStacker. Post-processing used Siril, Photoshop and Microsoft Photo.

Image Details:

Messier 3 is a globular cluster located in the constellation Canes Venatici. It contains about half a million stars and is thought to be over 11 billion years old. Distance from Earth is 32,600 light years.

Posted

January 20, 2019

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David Callejas

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About the Author:

David Callejas, Marketing Director, helps bring EarthSky's content to the world via online ads and other products. He creates strategies that help people around the world find us and appreciate the work we do. He helps manage the EarthSky Store and bring to you the new products that you love. He's the chief liaison between EarthSky.org and the world of commerce. All that, plus he helps post content and populate our pages on Facebook, Google+ and Twitter. Go David!